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Marine Drugs
Vol. 10, No: 3, 2012, Pages: 539 - 50


Scopararanes C-G: New Oxygenated Pimarane Diterpenes from the Marine Sediment-Derived Fungus Eutypella scoparia FS26

Sun L, Li D, Tao M, Chen Y, Dan F, Zhang W

Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, Guangdong Provincial Open Laboratory of Applied Microbiology, State Key Laboratory of Applied Microbiology (Ministry-Guangdong Province Jointly Breeding Base), South China.

Abstract

Five new oxygenated pimarane diterpenes, named scopararanes C-G (1-5) were isolated from the culture of a marine sediment-derived fungus Eutypella scoparia FS26 obtained from the South China Sea. The structures of these compounds were established on the basis of extensive spectroscopic analysis. The absolute configurations of compounds 1-5, were determined by CD spectroscopic analysis and comparison with literature data. All isolated compounds (1-5) were evaluated for their cytotoxic activities against MCF-7, NCI-H460, and SF-268 tumor cell lines by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl-2H-tetrazolium bromide (MTT) method.

Keywords:oxygenated pimarane diterpenes, named scopararanes,Eutypella scoparia FS26 obtained from the South China Sea,2,5-diphenyl-2H-tetrazolium bromide (MTT) method.


 

 
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